| APA | PTI. (2012, February 9). In Acronym Geek. Retrieved 02:13, February 9, 2012, from http://www.acronymgeek.com/PTI |
| MLA | "PTI." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PTI>. |
| MHRA | 'PTI', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PTI> [accessed 9 February 2012] |
| Chicago | "PTI", http://www.acronymgeek.com/PTI (accessed February 9, 2012). |
| CBE/CSE | PTI [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PTI. |
| Bluebook | PTI, http://www.acronymgeek.com/PTI (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTI, http://www.acronymgeek.com/PTI (optional description here) (as of Feb. 9, 2012, 02:13). |
| AMA | PTI. Acronym Geek. February 9, 2012, 02:13. Available at: http://www.acronymgeek.com/PTI. Accessed February 9, 2012, 02:13. |